Questions

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

Antarctica is known as white continent because 98% of it's area is covered by ice throughout the year.

India’s first multi-modal electric vehicle project has been inaugurated by the Union Road Transport and Highways Minister Nitin Gadkari, along with Maharashtra Chief Minister Devendra Fadnavis at the Nagpur Airport Complex to promote eco-friendly transport. With this, Nagpur became the first city in India to have electric mass mobility system with a fleet of 200 electric vehicles, including taxis, buses, e-rickshaw and autos.

Expedite means making an action fast or sooner i.e, to accomplish a work as quickly as possible.

Hence, halt means stop and it is opposite of Expedite.

Iconic attraction of India Taj Mahal has emerged as the 5th most popular landmark in the world and 2nd in Asia, according to the online travel portal TripAdvisor’s ‘Travellers’ Choice Awards for Landmarks. Globally, Angkor Wat in Cambodia, Sheikh Zayed Grand Mosque Center in Abu Dhabi, Mezquita Cathedral de Cordoba in Spain, and St Peter’s Basilica in Italy, bagged the first four ranks respectively. Whereas, the top 10 landmarks in Asia has been topped by Angkor Wat, followed by Taj Mahal on the second place. Apart from this, Taj Mahal has also ranked first in the list of popular landmarks in India, followed by AmberFort, Jaipur; Swaminarayan Akshardham, New Delhi, etc.